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Bird Observations

			Date Range: Mar, 1900-2021

Colorado

Updated ~41 hr(s) ago.

324 species (+147 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Emu
Snow Goose
Ross's Goose
Snow x Ross's Goose (hybrid)
Snow/Ross's Goose
Graylag Goose
Swan Goose
Graylag x Swan Goose (hybrid)
Greater White-fronted Goose
Domestic goose sp. (Domestic type)
Brant
Cackling Goose
Snow x Cackling Goose (hybrid)
Ross's x Cackling Goose (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Canada Goose
Swan Goose x Canada Goose (hybrid)
Greater White-fronted x Canada Goose (hybrid)
Graylag x Canada Goose (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Snow x Canada Goose (hybrid)
Ross's x Canada Goose (hybrid)
Cackling/Canada Goose
Snow/Ross's x Cackling/Canada Goose (hybrid)
Mute Swan
Black Swan
Trumpeter Swan
Tundra Swan
Trumpeter/Tundra Swan
swan sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
goose sp.
Muscovy Duck
Wood Duck
Mandarin Duck
Garganey
Blue-winged Teal
Cinnamon Teal
Blue-winged x Cinnamon Teal (hybrid)
Blue-winged/Cinnamon Teal
Northern Shoveler
Blue-winged Teal x Northern Shoveler (hybrid)
Cinnamon Teal x Northern Shoveler (hybrid)
Gadwall
Northern Shoveler x Gadwall (hybrid)
Eurasian Wigeon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Wigeon
Eurasian/American Wigeon
Mallard
Muscovy Duck x Mallard (hybrid)
Gadwall x Mallard (hybrid)
American Wigeon x Mallard (hybrid)
Mexican Duck
Mallard x Mexican Duck (hybrid)
Mallard/Mexican Duck
American Black Duck
Mallard x American Black Duck (hybrid)
Mallard x Mottled Duck (hybrid)
Mallard x Mexican/Mottled Duck (hybrid)
Northern Pintail
Gadwall x Northern Pintail (hybrid)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mallard x Northern Pintail (hybrid)
Green-winged Teal
American Wigeon x Green-winged Teal (hybrid)
teal sp.
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Redhead x Ring-necked Duck (hybrid)
Tufted Duck
Greater Scaup
Redhead x Greater Scaup (hybrid)
Ring-necked Duck x Greater Scaup (hybrid)
Lesser Scaup
Ring-necked Duck x Lesser Scaup (hybrid)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Tufted Duck x Lesser Scaup (hybrid)
Redhead x scaup sp. (hybrid)
Ring-necked Duck x scaup sp. (hybrid)
Greater/Lesser Scaup
Aythya sp.
Harlequin Duck
Surf Scoter
White-winged Scoter
Black Scoter
Long-tailed Duck
Bufflehead
Common Goldeneye
Bufflehead x Common Goldeneye (hybrid)
Barrow's Goldeneye
Common x Barrow's Goldeneye (hybrid)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common/Barrow's Goldeneye
Hooded Merganser
Common Goldeneye x Hooded Merganser (hybrid)
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
merganser sp.
Ruddy Duck
duck sp.
Helmeted Guineafowl
Northern Bobwhite
Scaled Quail
Gambel's Quail
Wild Turkey
Greater Sage-Grouse
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Gunnison Sage-Grouse
Dusky Grouse
Sharp-tailed Grouse
Greater Prairie-Chicken
Lesser Prairie-Chicken
White-tailed Ptarmigan
Ring-necked Pheasant
Indian Peafowl
Red Junglefowl
Chukar
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Horned/Eared Grebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Podiceps sp.
Western Grebe
Clark's Grebe
Western x Clark's Grebe (hybrid)
Western/Clark's Grebe
grebe sp.
Rock Pigeon
Band-tailed Pigeon
Rock/Band-tailed Pigeon
Eurasian Collared-Dove
African Collared-Dove
Eurasian/African Collared-Dove
Streptopelia sp.
Inca Dove
White-winged Dove
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mourning Dove
pigeon/dove sp.
Greater Roadrunner
White-throated Swift
large swift sp.
Broad-tailed Hummingbird
hummingbird sp.
Virginia Rail
Sora
American Coot
Black Rail
Sandhill Crane
Whooping Crane
crane sp.
Black-necked Stilt
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Avocet
Black-bellied Plover
Killdeer
Semipalmated Plover
Mountain Plover
Snowy Plover
Upland Sandpiper
Long-billed Curlew
Marbled Godwit
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
American Woodcock
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Tringa sp.
Red Knot
Dunlin
Baird's Sandpiper
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
Semipalmated Sandpiper
peep sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Scolopacidae sp.
large shorebird sp.
shorebird sp.
Black-legged Kittiwake
Bonaparte's Gull
Black-headed Gull
Franklin's Gull
Short-billed Gull
Ring-billed Gull
Western Gull
Herring Gull
Great Black-backed Gull
Glaucous Gull
Herring x Glaucous Gull (hybrid)
Lesser Black-backed Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
California Gull
Glaucous-winged Gull
Herring x Glaucous-winged Gull (hybrid)
Herring/Glaucous-winged Gull
Slaty-backed Gull
Iceland Gull
Herring/Iceland Gull
Larus sp.
gull sp.
Red-throated Loon
Pacific Loon
Common Loon
Yellow-billed Loon
loon sp.
Double-crested Cormorant
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Neotropic Cormorant
Double-crested/Neotropic Cormorant
cormorant sp.
American White Pelican
American Bittern
Yellow-crowned Night Heron
Black-crowned Night Heron
Yellow-crowned/Black-crowned Night Heron
Snowy Egret
Great Egret
Great Blue Heron
white egret sp.
Glossy Ibis
White-faced Ibis
Glossy/White-faced Ibis
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Turkey Vulture
Osprey
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
American Goshawk
Cooper's Hawk/American Goshawk
Accipiter sp.
Bald Eagle
Golden/Bald Eagle
Harris's Hawk
Red-shouldered Hawk
Swainson's Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Zone-tailed Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
Buteo/eagle sp.
hawk sp.
eagle sp.
Barn Owl
Western Screech-Owl
Eastern Screech-Owl
Snowy Owl
Great Horned Owl
Northern Pygmy-Owl
Burrowing Owl
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Spotted Owl
Long-eared Owl
Short-eared Owl
Long-eared/Short-eared Owl
Boreal Owl
Northern Saw-whet Owl
owl sp.
Belted Kingfisher
Williamson's Sapsucker
Yellow-bellied Sapsucker
Red-naped Sapsucker
Yellow-bellied x Red-naped Sapsucker (hybrid)
Yellow-bellied/Red-naped Sapsucker
Red-breasted Sapsucker
sapsucker sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lewis's Woodpecker
Red-headed Woodpecker
Acorn Woodpecker
Red-bellied Woodpecker
American Three-toed Woodpecker
Downy Woodpecker
Ladder-backed Woodpecker
Hairy Woodpecker
Downy/Hairy Woodpecker
Dryobates sp.
Northern Flicker
woodpecker sp.
American Kestrel
Merlin
Peregrine Falcon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Prairie Falcon
large falcon sp.
small falcon sp.
falcon sp.
diurnal raptor sp.
Cockatiel
Gray Flycatcher
Black Phoebe
Eastern Phoebe
Black x Eastern Phoebe (hybrid)
Say's Phoebe
Black x Say's Phoebe (hybrid)
phoebe sp.
Vermilion Flycatcher
Western Kingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Eastern Kingbird
new world flycatcher sp.
Loggerhead Shrike
Northern Shrike
Loggerhead/Northern Shrike
shrike sp.
Canada Jay
Pinyon Jay
Steller's Jay
Blue Jay
Woodhouse's Scrub-Jay
Steller's Jay x Woodhouse's Scrub-Jay (hybrid)
jay sp.
Black-billed Magpie
Clark's Nutcracker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Crow
Chihuahuan Raven
Common Raven
raven sp.
crow/raven sp.
Black-capped Chickadee
Mountain Chickadee
Black-capped x Mountain Chickadee (hybrid)
Black-capped/Mountain Chickadee
chickadee sp.
Juniper Titmouse
Horned Lark
Bank Swallow
Tree Swallow
Violet-green Swallow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Tree/Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
Cliff/Cave Swallow
swallow sp.
Bushtit
Ruby-crowned Kinglet
Golden-crowned Kinglet
Ruby-crowned/Golden-crowned Kinglet
White-breasted Nuthatch
Pygmy Nuthatch
Red-breasted Nuthatch
nuthatch sp.
Brown Creeper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Blue-gray Gnatcatcher
Rock Wren
Canyon Wren
House Wren
Pacific Wren
Winter Wren
Pacific/Winter Wren
Sedge Wren
Marsh Wren
Carolina Wren
Bewick's Wren
Cactus Wren
wren sp.
American Dipper
European Starling
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Myna
Gray Catbird
Curve-billed Thrasher
Brown Thrasher
Long-billed Thrasher
Sage Thrasher
Northern Mockingbird
Eastern Bluebird
Western Bluebird
Mountain Bluebird
bluebird sp.
Townsend's Solitaire
Varied Thrush
Hermit Thrush
American Robin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
thrush sp.
Bohemian Waxwing
Cedar Waxwing
Bohemian/Cedar Waxwing
House Sparrow
American Pipit
Evening Grosbeak
Pine Grosbeak
Gray-crowned Rosy-Finch
Black Rosy-Finch
Brown-capped Rosy-Finch
rosy-finch sp.
House Finch
Purple Finch
Cassin's Finch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Haemorhous sp.
Common Redpoll
Hoary Redpoll
Red Crossbill
Cassia Crossbill
White-winged Crossbill
Pine Siskin
Lesser Goldfinch
American Goldfinch
new world goldfinch sp.
finch sp.
Lapland Longspur
Chestnut-collared Longspur
Thick-billed Longspur
longspur sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Bunting
Cassin's Sparrow
Grasshopper Sparrow
Chipping Sparrow
Field Sparrow
Brewer's Sparrow
Black-throated Sparrow
Lark Sparrow
Lark Bunting
American Tree Sparrow
Spizella sp./American Tree Sparrow
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Harris's Sparrow
White-throated Sparrow
Zonotrichia sp.
Sagebrush Sparrow
Vesper Sparrow
LeConte's Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
Lincoln's/Swamp Sparrow
Canyon Towhee
Rufous-crowned Sparrow
Green-tailed Towhee
Spotted Towhee
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Eastern Towhee
Spotted x Eastern Towhee (hybrid)
Spotted/Eastern Towhee (Rufous-sided Towhee)
towhee sp.
new world sparrow sp.
Yellow-headed Blackbird
Western Meadowlark
Eastern Meadowlark
Western x Eastern Meadowlark (hybrid)
Sturnella meadowlark sp.
Red-winged Blackbird
Brown-headed Cowbird
Rusty Blackbird
Brewer's Blackbird
Rusty/Brewer's Blackbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Grackle
Great-tailed Grackle
grackle sp.
blackbird sp.
Orange-crowned Warbler
Lucy's Warbler
Common Yellowthroat
Northern Parula
Yellow Warbler
Pine Warbler
Yellow-rumped Warbler
Yellow-throated Warbler
Prairie Warbler
new world warbler sp.
Summer Tanager
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Tanager
Northern Cardinal
Black-headed Grosbeak
Painted Bunting
passerine sp.
bird sp.

KEY:| = insufficient data | = rare to widespread

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